Henry Roy Dam

Henry Roy Dam is an earth dam located in Lincoln Parish, Louisiana, built in 1963. It carries a Low hazard potential classification and has a fair condition assessment.

About Henry Roy Dam

The primary purpose of Henry Roy Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Robert Roy (private). It impounds the Tr-moncrief Creek near Clay.

The dam stands 21 feet tall and stretches 400 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 97 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1963, the structure is well into its service life at over 50 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/22/2021.

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Low HazardFair ConditionEmergency Action Plan: No

Location

StateLouisiana
CountyLincoln
Nearest CityClay
River/StreamTr-moncrief Creek
Coordinates32.47580, -92.63530

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height18 ft
Dam Length400 ft
Year Completed1963 (63 years old)

Storage & Hydraulics

NID Storage97 acre-ft
Max Storage97 acre-ft
Normal Storage67 acre-ft
Surface Area12 acres
Drainage Area1 sq mi
Max Discharge360 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerRobert Roy
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection04/22/2021
Emergency Action PlanNo

Identifiers

NID IDLA00364
Federal IDLA00364
More InfoState Dam Safety Program

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